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660150b12a
It expects a messaging_context now and returns a netlogon_creds_cli_context. This way we can finally avoid having a rpc_pipe_client->netlogon_creds. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* RPC Pipe client / server routines
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* Largely rewritten by Jeremy Allison 2005.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "../librpc/gen_ndr/ndr_schannel.h"
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#include "../librpc/gen_ndr/ndr_netlogon.h"
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#include "../libcli/auth/schannel.h"
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#include "rpc_client/cli_netlogon.h"
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#include "rpc_client/cli_pipe.h"
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#include "librpc/rpc/dcerpc.h"
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#include "passdb.h"
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#include "libsmb/libsmb.h"
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#include "../libcli/smb/smbXcli_base.h"
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#include "libcli/auth/netlogon_creds_cli.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_RPC_CLI
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/****************************************************************************
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Open a named pipe to an SMB server and bind using schannel (bind type 68).
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Fetch the session key ourselves using a temporary netlogon pipe.
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****************************************************************************/
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NTSTATUS cli_rpc_pipe_open_schannel(struct cli_state *cli,
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struct messaging_context *msg_ctx,
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const struct ndr_interface_table *table,
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enum dcerpc_transport_t transport,
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enum dcerpc_AuthLevel auth_level,
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const char *domain,
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struct rpc_pipe_client **presult,
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TALLOC_CTX *mem_ctx,
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struct netlogon_creds_cli_context **pcreds)
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{
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TALLOC_CTX *frame = talloc_stackframe();
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const char *dc_name = smbXcli_conn_remote_name(cli->conn);
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struct rpc_pipe_client *result = NULL;
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NTSTATUS status;
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struct netlogon_creds_cli_context *netlogon_creds = NULL;
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struct netlogon_creds_CredentialState *creds = NULL;
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uint32_t netlogon_flags = 0;
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enum netr_SchannelType sec_chan_type = 0;
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const char *_account_name = NULL;
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const char *account_name = NULL;
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struct samr_Password current_nt_hash;
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struct samr_Password *previous_nt_hash = NULL;
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bool ok;
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ok = get_trust_pw_hash(domain,
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current_nt_hash.hash,
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&_account_name,
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&sec_chan_type);
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if (!ok) {
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TALLOC_FREE(frame);
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return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
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}
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account_name = talloc_asprintf(frame, "%s$", _account_name);
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if (account_name == NULL) {
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SAFE_FREE(previous_nt_hash);
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TALLOC_FREE(frame);
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return NT_STATUS_NO_MEMORY;
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}
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status = rpccli_create_netlogon_creds(dc_name,
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domain,
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account_name,
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sec_chan_type,
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msg_ctx,
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frame,
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&netlogon_creds);
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if (!NT_STATUS_IS_OK(status)) {
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SAFE_FREE(previous_nt_hash);
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TALLOC_FREE(frame);
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return status;
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}
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status = rpccli_setup_netlogon_creds(cli,
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netlogon_creds,
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false, /* force_reauth */
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current_nt_hash,
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previous_nt_hash);
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SAFE_FREE(previous_nt_hash);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(frame);
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return status;
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}
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status = netlogon_creds_cli_get(netlogon_creds,
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frame,
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&creds);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(frame);
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return status;
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}
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netlogon_flags = creds->negotiate_flags;
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TALLOC_FREE(creds);
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if (!(netlogon_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
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TALLOC_FREE(frame);
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return NT_STATUS_DOWNGRADE_DETECTED;
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}
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status = cli_rpc_pipe_open_schannel_with_key(
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cli, table, transport, domain,
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netlogon_creds,
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&result);
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if (NT_STATUS_IS_OK(status)) {
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*presult = result;
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if (pcreds != NULL) {
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*pcreds = talloc_move(mem_ctx, &netlogon_creds);
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}
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}
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TALLOC_FREE(frame);
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return status;
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}
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